Finding the Fourth Proportional to 57,932.50, 79,946.85 and 31,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,932.50 : 79,946.85 = 31,436.50 : x
2. Step 2: Convert to fraction form
   57,932.50/79,946.85 = 31,436.50/x
3. Step 3: Cross multiply
   57,932.50x = 79,946.85 × 31,436.50
4. Step 4: Simplify right side
   57,932.50x = 2,513,249,150.03
5. Step 5: Solve for x
   x = 2,513,249,150.03/57,932.50
6. Step 6: Final answer
   x = 43,382.37